replace pyd files for binwin2.7 & binwin64-2.7
implement new pyGetSpc routine for PWDR simulations - checked against DIFFaX
Add a transition probability normalizer button
change transition plots from DCLICK to CLICK - much nicer
invoke G2frame.G2plotNB.RaisePageNoRefresh?(Page) in a number of places to get plots to appear on demand
fix layer plotting issues after normal structure plots made